THOSE WHO IGNORE HISTORY are doomed to repeat it. One of life's more satisfying ironies, however, is that the same fate often befalls those who fixate on history. Consider the coming train wreck of Sony's PlayStation 3.At this year's annual Electronic Entertainment Expo in Los Angeles, Sony announced that its next-generation video-game console will begin retailing in November for $599 (or $499 for a stripped-down version). The news rippled through the gaming industry, the consensus being that Sony had doomed its new system with such a high price tag. Traditionally, home video-game consoles have sold for $199 to $299.This news...